186 rniversity of California Puhlications in Botany [Vol. 6 



to Stilli)igia have the columella more or less developed. The seeds 

 seem to resemble those of StilUngia (GymnostiUingia) acutifolia Mull. 

 Arg. of Guatemala. Collected on Cerro del Boqueron, Chiapas, in 

 rocky, mountain meadows. No. 7343. Type, Herb. Univ. Calif. No. 

 174856: 



Connarus lentiginosus sp. nov. 



Frutex ? : ramis glabris : foliis 20-25 cm. longis ; foliolis 5-7, 

 glabris ellipticis, apice obtuse acumiuatis, basi cuneatis, margine in- 

 tegris subtus venosis, 8-14 em. longis. 3-7.5 cm. latis; petiolulis ca. 

 5 mm. longis: paniculis ca. 15 cm. longis, rufescentibus puberulis 

 terminalibus vel lateralibus, basi foliosis, multifloris; calycis lobis 

 ovato-lanceolatis, ca. 2.5 mm. longis; petalis oblongo-acutis purpureo- 

 punctatis, ca. 3.5 mm. longis, medio marginibus connatis; staminibus 

 inaequalibus subulatis glabris, basi connatis ; ovario purpureo-punctato 

 pubescenti, 2-ovulato: fructu coriaceo paululum fusco-puberulo 

 oblique ellipsoideo, stipitato, ca. 2 cm. longo. 



Collected at Huitla and Finca Irlanda. Chiapas. No. 7379. Type. 

 Herb. Univ. Calif. No. 178083. 



Thouinia riparia sp. nov. 



Frutex : foliis ca. 1 dm. longis, glabris pinnatis, foliolis 3-6-jugis, 

 usque ad 6 cm. longis, 1.5 cm. latis, lanceolatis, margine serratis : flori- 

 bus in cymis paniculatis ramos terminantibus; sepalis 5, orbiculatis 

 inaequalibus margine ciliatis; petali.s 4, uuizuieulatis, intus infra 

 medium tomentosis ; disco crasso ; staminibus 8, filamentis tomentosis ; 

 ovario 3-lobo, 3-loculari, pubescenti, ovulis in loculi-s solitarii.s; stylo 

 3-partito : samaris fructus juvenis 3, divarieatis, longe alatis. 



This plant belongs to TJiouiniditon of the Ptianzenfamilien, a 

 genus reduced to Thouinia in the Kew Index. Collected along the Rio 

 San Geronimo, Oaxaca. No. 7161. Type, Herb. Univ. Calif. No. 

 175044. 



Laplacea grandis sp. nov. 



Arbor grandis: foliis ovatis obtuse acumiuatis. basi in petiolum at- 

 tenuatis. margine crenato-serratis, utrinque glabris. laminis ca. 12 cm. 

 longis, 4 cm. latis; petiolis ca. 2 cm. longis: tioribus axillaribus soli- 

 tariis, pedicellis ca. 1 cm. longis; sepalis 5 coriaceis, ca. 4 mm. latis 

 puberulis, margine ciliatis; staminibus multiseriatis ; alabastris glo- 

 bosis ; potalis coriaceis. exteriorihus furfuraceis; stigmatil)us 5 fere 

 sessilibus: cai)sula conico-ovata, ca. 3 cm. longa. 5-loculari loculicide 

 dehiscenti ; seminibus apice in alam productis: ovario pubescenti. 



